Given Electro-Weak force why state four forces.

In summary, physicists continue to count four fundamental forces because it is possible to find a unification for any pair of the forces and we still use four. This is different from the electromagnetic force unification, as the electric and magnetic aspects cannot be separated due to the principle of relativity.
  • #1
hankaaron
83
4
Since the electromagnetic and the weak force unify at high energies, why do physicist continue to count four fundamental forces? With that kind of thinking why not break symmetry with the electromagnetic force and say there are five fundamental forces?
 
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  • #2
It is possible to find a unification for any pair of the four fundamental forces - which one is correct?
Basically we still count four because we still use four.

This is somewhat different from the E-M force unification, because of the way in which EM was unified.
 
  • #3
hankaaron said:
With that kind of thinking why not break symmetry with the electromagnetic force and say there are five fundamental forces?
If you have only an electric field in your lab frame of reference, you can always transform to other frames of reference where a magnetic field is present by a Lorentz transform. So if one accepts that all inertial frames are on equal footing (principle of relativity), the magnetic and electric aspects of the electromagnetic force cannot be separated.
 

What is the electro-weak force?

The electro-weak force is one of the four fundamental forces in physics, along with gravity, strong nuclear force, and weak nuclear force. It is a combination of the electromagnetic force and the weak nuclear force, and is responsible for interactions between subatomic particles such as electrons and quarks.

Why is it called the electro-weak force?

The electro-weak force is a combination of two separate forces - the electromagnetic force and the weak nuclear force. The electromagnetic force is responsible for interactions between charged particles, while the weak nuclear force is responsible for radioactive decay. By combining these two forces, we can better understand and describe the interactions between particles at the subatomic level.

What is the relationship between the electro-weak force and the other fundamental forces?

The electro-weak force is related to the other fundamental forces through the concept of symmetry breaking. In the early universe, all four forces were believed to be unified into a single force. As the universe cooled and expanded, this symmetry broke down and the four forces became distinct. The electro-weak force is the result of the symmetry breaking between the electromagnetic and weak nuclear forces.

What are some real-life applications of the electro-weak force?

The electro-weak force plays a crucial role in many modern technologies, such as particle accelerators, nuclear power plants, and medical imaging devices. It also helps us to better understand the structure of matter and the behavior of subatomic particles, which has led to advancements in fields such as materials science and medicine.

What are some current theories and research surrounding the electro-weak force?

Scientists are constantly working to better understand the electro-weak force and its role in the universe. Some current areas of research include studying the Higgs boson, which is believed to give particles their mass and is essential for the electro-weak force, and searching for evidence of new particles or interactions that could help explain the nature of this force.

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